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import streamlit as st
import pandas as pd
import os
import datetime
import dill as pickle
import inspect

from google_sheet import *
from google_drive import upload_to_drive

st.title("πŸ† Hackathon Leaderboard")

# ========================
# Submission Form
# ========================

uploaded_file = st.file_uploader("Upload your submission (.zip)", type=["zip"])

def is_valid_model(obj):
    """
    Check if the object is a class instance with a 'predict' method.
    """
    return hasattr(obj, 'get_team') and inspect.ismethod(getattr(obj, 'get_team', None)) or callable(getattr(obj, 'get_team', None))

if uploaded_file and st.button("Submit"):
    timestamp = datetime.datetime.now().isoformat()
    submission_filename = f"{timestamp.replace(':', '_')}_{uploaded_file.name}"
    submission_path = os.path.join("submissions", submission_filename)
    os.makedirs("submissions", exist_ok=True)

    # Save uploaded file
    with open(submission_path, "wb") as f:
        f.write(uploaded_file.read())

    try:
        drive_file_id = upload_to_drive(submission_path, submission_filename)
        st.success(f"Uploaded to Google Drive βœ… [File ID: {drive_file_id}]")
    except Exception as e:
        st.warning(f"Failed to upload to Google Drive: {e}")

# ========================
# Always Show Leaderboard
# ========================
st.subheader("Leaderboard")

try:
    df = fetch_leaderboard()
    if not df.empty:
        df_sorted = df.sort_values(by="score", ascending=False)
        st.dataframe(df_sorted)
    else:
        st.info("No submissions yet.")
except Exception as e:
    st.warning(f"Could not load leaderboard: {e}")